Yazar "Dereli, Tekin" seçeneğine göre listele

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  • Küçük Resim Yok
    Öğe
    Linearized gravity in terms of differential forms
    (Springer Heidelberg, 2017) Baykal, Ahmet; Dereli, Tekin
    A technique to linearize gravitational field equations is developed in which the perturbation metric coefficients are treated as second rank, symmetric, 1-form fields belonging to the Minkowski background spacetime by using the exterior algebra of differential forms.
  • Küçük Resim Yok
    Öğe
    Nonminimally coupled Einstein-Maxwell model in a non-Riemann spacetime with torsion
    (AMER PHYSICAL SOC, 2015) Baykal, Ahmet; Dereli, Tekin
    A system of field equations for an Einstein-Maxwell model with RF2-type nonminimal coupling in a non-Riemannian space-time with a nonvanishing torsion is derived and the resulting field equations are expressed in terms of the Riemannian quantities based on a metric with a Lorentzian signature. The torsion is generated by the gradients of the electromagnetic field invariants. An electromagnetic constitutive tensor is introduced in the formulation of the field equations.